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Published online by Cambridge University Press: 13 December 2024
In statistics, we are often interested in some characteristics of a population. Maybe we are interested in the mean of some measurable characteristic, or maybe we are interested in the proportion of the population that have some property. In all but the simplest cases, the population is so large that it is impossible, or at least impractical, to take the measurement on every item in the population. We therefore have to settle on taking a sample and measuring those units selected for this sample.
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